HP PageWide Enterprise Color 556

4. Release the bosses along the right and left side of the cover, and then lift it straight up to remove it.
Figure 1-230 Remove the rear cover
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Step 7: Remove the top cover (586)
1. Remove eight screws (callout 1).
Figure 1-231 Remove eight screws
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172 Chapter 1 Removal and replacement ENWW